added jQuery UI
Merge branch 'jQuery'
Merge branch 'master' into jQuery
Merge branch 'jQuery'
Revert "Merge branch 'jQuery'"

This reverts commit 53880644b54f3326a5aa1c63f15367f58b326033, reversing
changes made to 1f153d08e10dfe315b2da62672234d019afb6fb6.